![subject](/tpl/images/cats/mat.png)
Mathematics, 11.01.2020 08:31 bryneosburn
Afootball coach gives half his players a protein bar to eat before each game; the other players do not receive the protein bar. after a month of games, he analyzes their playing stats. he concludes the protein bar improve their performance on the field. how can the coach test the means to be sure the results are not likely to happen by chance?
a. he can rerandomize the results by separating the two groups randomly, then calculate the means and the difference of the means.
b. he can pick players at random and analyze their playing stats without calculating means.
c. he can analyze the two groups by calculating the means and the difference of the means.
d. he can pick the players he wants to analyze based on the best stats.
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:20
The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:00
There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:00
Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid
Answers: 1
You know the right answer?
Afootball coach gives half his players a protein bar to eat before each game; the other players do...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 17.10.2019 15:10
![question](/tpl/images/cats/mat.png)
Mathematics, 17.10.2019 15:10
![question](/tpl/images/cats/geografiya.png)
Geography, 17.10.2019 15:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 17.10.2019 15:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.10.2019 15:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.10.2019 15:10
![question](/tpl/images/cats/ekonomika.png)
Business, 17.10.2019 15:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.10.2019 15:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)